Polyphthalamide (PPA), also known as a high performance polyamide, synthetic resin of nylon is widely used in high temperature electrical connectors, replacing metals in various high temperature automotive applications. Polyphthalamides are basically polyamides which contain aromatic rings in them providing high thermal resistance and mechanical strength. The term PPA is considered when approximately 60% of the carboxylic acid moles of the repeating unit in polymer comprise of a combination of isophthalic (IPA) and terephthalic acids (TPA). Polyphthalamide is usually formed by the reaction of aromatic acids with aliphatic diamines. It is a semi crystalline material which is composed from a diamine and diacid, being a member of the nylon family. Polyphthalamide exhibits high dimensional stability, high tensile strength, corrosion/abrasion resistance, high chemical resistance, high heat resistance, as well as direct bonding to many elastomers for developing plastic rubber composites.

PPA exhibits a wide application scope. It is used various industries such as electronics, automotives, sports equipment, and medical among others. In automotive, PPA is used in weight reduction, LED headlights, and fuel and coolant lines. PPA’s medical applications include tubing for various devices such as catheters. They are used in electronics such as wire/cable protection and LEDs. Due to its ability to resist high temperatures polyphthalamide is also used in supply lines and gas pipes in the oil & gas industry. PPA is also used in various personal care products such as hairbrushes and toothbrush bristles. One of the major advantages of PPA is its ability to successfully replace certain metal applications such as soldering process without for developing electronic components, which is implemented in the smart phone industry. Other prominent applications of polyphthalamide include bushings and bearing pads in aircraft industry, coolant pumps, air coolers, fuel cut-off valves, valve bodies for showers and pump wear rings.

The global market for polyphthalamide is expected to witness a significant increase owing to growth of its certain end-user industries such as automotive, aircraft and medical. Over the past few years, high performance thermoplastics have been growing rapidly and at a faster rate than other plastics, primarily due to the growing demand in automotive and electronic industries. However, the demand still remains moderate, making high performance thermoplastics slightly unattractive for many plastic manufacturers. Large scale manufacturers such as BASF SE and DuPont regard their polyphthalamide business as extensions of their high volume nylon ETP product lines. Various key players in the high performance thermoplastics industry are large scale companies having long term experience in polymer processing and manufacturing. However, other small scale players such as Victrex also play a vital role in this industry. The company serves as a leading manufacturer of aromatic polyketones, and was a spun off from ICI. Increasing number of automotive sales, coupled with growth of the aircraft industry is expected to be a major factor in driving the demand for polyphthalamide over the forecast period. In addition, growing substitution of polyphthalamide with metal in various applications is also expected to boost the growth of the market. Asia Pacific is expected to witness the fastest growth due to high concentration of electronics manufacturers, where companies are focusing towards using plastic construction materials to reduce the vehicle weight as well as system costs.

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